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The distance travelled (in km) by a courier service motorcycle on 40 trips were recorded by the driver.
24 19 21 27 18 18 13 23 23 15 30 1920 10 28 17 13 25 17 18 25 32 22 2022 34 17 26 16 15 20 19 21 25 15 2832 28 27 21
1. Define the random variable and the data type.
The project requires you forecast the historical data, replicating the appropriate trends, seasonalities, week-over-week variability, etc. Please refer to the chapter and materials on Forecasting for the procedures to do.
Investigate the cost of a home mortgage and to determine the monthly payment.
Normal distribution has mean of 80 and standard deviation of 14. Find out the value above which 80 percent of values will occur.
Let X be the number of correct guesses by your friend in the 100 trials and Use the Normal approximation with the continuity correction - Which of the following might be reasonably modeled by the binomial distribution
A basketball player has a history of making 75% of the foul shots taken during games. The player gets two shots at the foul line.
The resort's historical climate data suggests that the probability of a good winter with lots of snow during any given year is 40%.
Consider a hypothesis test that uses a 0.05 significance level to test the claim that the mean body tem of the population is less than 98.6
The mean amount of a purchase at the Smith Hardware store is $23.50 with standard deviation of $5.00. The amounts purchased follow normal distribution.
What is the rejection point at α = .10 and indicate if you would accept or reject H o ?
Let x be a random variable that represents a test score. What is the lowest score that would still place a student in the top 40% of the scores?
Why is cumulative relative frequency distribution so much more informative that just relative frequency distribution? Use examples to explain these differences.
The budgeting process for a Midwestern college resulted in expense forecasts for the coming year (in $ millions) of $9, $10, $11, $12, and $13. Since the actual expenses are unknown, the following respective probabilities are assigned: .3, .2, .25..
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